Upstream+Downstream For 2005-2006 Audi A4 Quattro 3.0L Oxygen O2 02 Sensor 2pcs Transmission Upgrades compatible for GMC Sierra 1500

compatible for GMC Sierra 1500 1999-2006 2WD &4WD

2009-2011 compatible for BMW Z4 sDrive30i Convertible 2-Door

777318-9001

Compatible for Mitsubishi 4G93 Lancer Mirage Space 1

2001-2005 for Mercedes-Benz C240 Base Sedan 4-Door

Upstream+Downstream For 2005-2006 Audi A4 Quattro 3.0L Oxygen O2 02 Sensor 2pcs Transmission Upgrades compatible for GMC Sierra 1500Fitments: 2005 Audi A42005 2006 Audi A4 Quattro, etc. High grade platinum and ceramics,This resulted in a sensor that started sooner and responded faster. This Sensor features double protection layer, aluminum oxide trap layer, porous PTFE filter. It is manufactured with precision to meet OE standards.